Tag: VKS
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Decommissioning TKGI and Ops Manager After the VKS Migration (TKGI to VKS Series, Part 26)
TKGI is idle and VKS carries production, so now you retire the old platform. A step by step teardown of TKGI clusters, NSX-T objects, BOSH and Ops Manager, with the point of no return marked and the capacity handed back to VCF 9.
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Observability, Backup and Disaster Recovery on VKS (TKGI to VKS Series, Part 25)
Observability, backup and disaster recovery on VKS, the safety net under a migrated estate. Stand up metrics, logs and traces, schedule Velero backups with volume data movement, and prove recovery with a restore drill that catches the crash-consistent database trap.
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Day-2 Operations on VKS, Lifecycle, Upgrades and Scaling vs BOSH (TKGI to VKS Series, Part 24)
After the cutover, Day-2 on VKS replaces BOSH and Ops Manager with a declarative model. Here is how to upgrade Kubernetes versions, scale node pools, and roll back safely, with the commands that map to your old TKGI habits.
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Production Cutover to VKS, Traffic Shift, Validation and Rollback (TKGI to VKS Series, Part 23)
The production move from TKGI to VKS in one runbook: lower the DNS TTL ahead of time, shift traffic at a load balancer you control, validate the real user path, and keep a rollback that takes seconds because the old platform stays warm.
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VKS Pilot Migration, One Non-Prod Cluster End to End (TKGI to VKS Series, Part 22)
A pilot runs the whole TKGI to VKS playbook against one non-prod cluster, start to finish, so your production cutover repeats a proven run instead of improvising under load. Here is the end to end runbook, with real timings and the failures to expect.
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Secrets, Config and CI/CD Pipeline Migration to VKS (TKGI to VKS Series, Part 21)
Move plain secrets and ConfigMaps with Velero, re-seal sealed secrets against VKS, and give your CI/CD pipeline a real service account instead of a human login.
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Ingress, Load Balancing and DNS Cutover on VKS (TKGI to VKS Series, Part 20)
The traffic move from TKGI to VKS is a drain, not a DNS flip. This runbook stands up a load balanced ingress on VKS, lowers TTL, shifts traffic in weighted steps, and keeps a clean rollback the whole way.
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Migrating a Stateful Application with Persistent Volumes on VKS (TKGI to VKS Series, Part 19)
Moving a 500 GB PostgreSQL volume from TKGI to VKS with Velero snapshot data movement, a storage class mapping that stops the PVC hanging, and a checkpoint hook that stops the database coming back corrupt.
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Migrating a Stateless Application End to End on VKS (TKGI to VKS Series, Part 18)
Move a stateless service from TKGI to VKS with Velero, then fix the two things that break on VCF 9, Pod Security admission and image pull secrets, before you touch DNS.
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Velero on Source and Target, the Migration Toolchain (TKGI to VKS Series, Part 17)
Velero is the one toolchain that spans both estates in a TKGI to VKS migration. Install it on the source TKGI cluster and the target VKS cluster, wire shared S3 object storage, and prove a backup restores before any workload moves.
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Network Policy on VKS, NSX-T DFW to Antrea (TKGI to VKS Series, Part 16)
NSX-T distributed firewall rules do not migrate to VKS. Rebuild them as tiered Antrea policy with a working default deny, verified against a real stateful app.
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Identity, RBAC and Harbor on VKS (TKGI to VKS Series, Part 15)
How to replace TKGI UAA with vCenter SSO, map old LDAP groups to vSphere Namespace roles, grant developers scoped RBAC, and install Harbor as a Supervisor Service on your first VKS cluster.
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About the Author
Dr Pranay Jha
Dr. Pranay Jha is a Cloud and AI Consultant with 18+ years of experience in hybrid cloud, virtualization, and enterprise infrastructure transformation. He specializes in VMware technologies, multi-cloud strategy, and Generative AI solutions. He holds a PhD in Computer Applications with research focused on Cloud and AI, has published multiple research papers, and has been a VMware vExpert since 2016 and a VMUG Community Leader.
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